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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="preprocessor">#ifndef CAFFE_IM2COL_LAYER_HPP_</span></div><div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="preprocessor">#define CAFFE_IM2COL_LAYER_HPP_</span></div><div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;</div><div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="preprocessor">#include &lt;vector&gt;</span></div><div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;</div><div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="preprocessor">#include &quot;caffe/blob.hpp&quot;</span></div><div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="preprocessor">#include &quot;caffe/layer.hpp&quot;</span></div><div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="preprocessor">#include &quot;caffe/proto/caffe.pb.h&quot;</span></div><div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;</div><div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespacecaffe.html">caffe</a> {</div><div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;</div><div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> Dtype&gt;</div><div class="line"><a name="l00020"></a><span class="lineno"><a class="line" href="classcaffe_1_1Im2colLayer.html">   20</a></span>&#160;<span class="keyword">class </span><a class="code" href="classcaffe_1_1Im2colLayer.html">Im2colLayer</a> : <span class="keyword">public</span> <a class="code" href="classcaffe_1_1Layer.html">Layer</a>&lt;Dtype&gt; {</div><div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160; <span class="keyword">public</span>:</div><div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;  <span class="keyword">explicit</span> <a class="code" href="classcaffe_1_1Im2colLayer.html">Im2colLayer</a>(<span class="keyword">const</span> LayerParameter&amp; param)</div><div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;      : <a class="code" href="classcaffe_1_1Layer.html">Layer&lt;Dtype&gt;</a>(param) {}</div><div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classcaffe_1_1Im2colLayer.html#ac4d6f34378681fa197546468b5aa6fd6">LayerSetUp</a>(<span class="keyword">const</span> vector&lt;<a class="code" href="classcaffe_1_1Blob.html">Blob&lt;Dtype&gt;</a>*&gt;&amp; bottom,</div><div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;      <span class="keyword">const</span> vector&lt;<a class="code" href="classcaffe_1_1Blob.html">Blob&lt;Dtype&gt;</a>*&gt;&amp; top);</div><div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classcaffe_1_1Im2colLayer.html#a119c9e1965e219be1ccb719821d4542f">Reshape</a>(<span class="keyword">const</span> vector&lt;<a class="code" href="classcaffe_1_1Blob.html">Blob&lt;Dtype&gt;</a>*&gt;&amp; bottom,</div><div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;      <span class="keyword">const</span> vector&lt;<a class="code" href="classcaffe_1_1Blob.html">Blob&lt;Dtype&gt;</a>*&gt;&amp; top);</div><div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;</div><div class="line"><a name="l00029"></a><span class="lineno"><a class="line" href="classcaffe_1_1Im2colLayer.html#a8f3b31bc7134edbc8e3286b2c65e294e">   29</a></span>&#160;  <span class="keyword">virtual</span> <span class="keyword">inline</span> <span class="keyword">const</span> <span class="keywordtype">char</span>* <a class="code" href="classcaffe_1_1Im2colLayer.html#a8f3b31bc7134edbc8e3286b2c65e294e">type</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <span class="stringliteral">&quot;Im2col&quot;</span>; }</div><div class="line"><a name="l00030"></a><span class="lineno"><a class="line" href="classcaffe_1_1Im2colLayer.html#a35772d667af49afe707c7b1db881c573">   30</a></span>&#160;  <span class="keyword">virtual</span> <span class="keyword">inline</span> <span class="keywordtype">int</span> <a class="code" href="classcaffe_1_1Im2colLayer.html#a35772d667af49afe707c7b1db881c573">ExactNumBottomBlobs</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> 1; }</div><div class="line"><a name="l00031"></a><span class="lineno"><a class="line" href="classcaffe_1_1Im2colLayer.html#ab2cf1f7dd41b801ed32471ec492d423c">   31</a></span>&#160;  <span class="keyword">virtual</span> <span class="keyword">inline</span> <span class="keywordtype">int</span> <a class="code" href="classcaffe_1_1Im2colLayer.html#ab2cf1f7dd41b801ed32471ec492d423c">ExactNumTopBlobs</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> 1; }</div><div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;</div><div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160; <span class="keyword">protected</span>:</div><div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classcaffe_1_1Im2colLayer.html#af011dfac92219df578dea8a30a76bb01">Forward_cpu</a>(<span class="keyword">const</span> vector&lt;<a class="code" href="classcaffe_1_1Blob.html">Blob&lt;Dtype&gt;</a>*&gt;&amp; bottom,</div><div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;      <span class="keyword">const</span> vector&lt;<a class="code" href="classcaffe_1_1Blob.html">Blob&lt;Dtype&gt;</a>*&gt;&amp; top);</div><div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classcaffe_1_1Im2colLayer.html#a795d646cb42a7c35e31f0ad2f9afd0f8">Forward_gpu</a>(<span class="keyword">const</span> vector&lt;<a class="code" href="classcaffe_1_1Blob.html">Blob&lt;Dtype&gt;</a>*&gt;&amp; bottom,</div><div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;      <span class="keyword">const</span> vector&lt;<a class="code" href="classcaffe_1_1Blob.html">Blob&lt;Dtype&gt;</a>*&gt;&amp; top);</div><div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classcaffe_1_1Im2colLayer.html#a9c88593258502ae30aeec7be76225b61">Backward_cpu</a>(<span class="keyword">const</span> vector&lt;<a class="code" href="classcaffe_1_1Blob.html">Blob&lt;Dtype&gt;</a>*&gt;&amp; top,</div><div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;      <span class="keyword">const</span> vector&lt;bool&gt;&amp; propagate_down, <span class="keyword">const</span> vector&lt;<a class="code" href="classcaffe_1_1Blob.html">Blob&lt;Dtype&gt;</a>*&gt;&amp; bottom);</div><div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classcaffe_1_1Im2colLayer.html#a7424d962a0a88bb5a44454a836c46f5f">Backward_gpu</a>(<span class="keyword">const</span> vector&lt;<a class="code" href="classcaffe_1_1Blob.html">Blob&lt;Dtype&gt;</a>*&gt;&amp; top,</div><div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;      <span class="keyword">const</span> vector&lt;bool&gt;&amp; propagate_down, <span class="keyword">const</span> vector&lt;<a class="code" href="classcaffe_1_1Blob.html">Blob&lt;Dtype&gt;</a>*&gt;&amp; bottom);</div><div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;</div><div class="line"><a name="l00044"></a><span class="lineno"><a class="line" href="classcaffe_1_1Im2colLayer.html#a188e9ea1225c7f373f4d50e2a78dcec7">   44</a></span>&#160;  <a class="code" href="classcaffe_1_1Blob.html">Blob&lt;int&gt;</a> <a class="code" href="classcaffe_1_1Im2colLayer.html#a188e9ea1225c7f373f4d50e2a78dcec7">kernel_shape_</a>;</div><div class="line"><a name="l00046"></a><span class="lineno"><a class="line" href="classcaffe_1_1Im2colLayer.html#afb9baa8216b65a8124d4d1d2b719da0f">   46</a></span>&#160;  <a class="code" href="classcaffe_1_1Blob.html">Blob&lt;int&gt;</a> <a class="code" href="classcaffe_1_1Im2colLayer.html#afb9baa8216b65a8124d4d1d2b719da0f">stride_</a>;</div><div class="line"><a name="l00048"></a><span class="lineno"><a class="line" href="classcaffe_1_1Im2colLayer.html#a55c335fac2a25ba438a8bf94497c53ec">   48</a></span>&#160;  <a class="code" href="classcaffe_1_1Blob.html">Blob&lt;int&gt;</a> <a class="code" href="classcaffe_1_1Im2colLayer.html#a55c335fac2a25ba438a8bf94497c53ec">pad_</a>;</div><div class="line"><a name="l00050"></a><span class="lineno"><a class="line" href="classcaffe_1_1Im2colLayer.html#a3420f6068a4befb3b0ed1ffe5ff0e84c">   50</a></span>&#160;  <a class="code" href="classcaffe_1_1Blob.html">Blob&lt;int&gt;</a> <a class="code" href="classcaffe_1_1Im2colLayer.html#a3420f6068a4befb3b0ed1ffe5ff0e84c">dilation_</a>;</div><div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;</div><div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;  <span class="keywordtype">int</span> num_spatial_axes_;</div><div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;  <span class="keywordtype">int</span> bottom_dim_;</div><div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;  <span class="keywordtype">int</span> top_dim_;</div><div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;</div><div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;  <span class="keywordtype">int</span> channel_axis_;</div><div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;  <span class="keywordtype">int</span> num_;</div><div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;  <span class="keywordtype">int</span> channels_;</div><div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;</div><div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;  <span class="keywordtype">bool</span> force_nd_im2col_;</div><div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;};</div><div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;</div><div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;}  <span class="comment">// namespace caffe</span></div><div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;</div><div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;<span class="preprocessor">#endif  // CAFFE_IM2COL_LAYER_HPP_</span></div><div class="ttc" id="classcaffe_1_1Im2colLayer_html_a7424d962a0a88bb5a44454a836c46f5f"><div class="ttname"><a href="classcaffe_1_1Im2colLayer.html#a7424d962a0a88bb5a44454a836c46f5f">caffe::Im2colLayer::Backward_gpu</a></div><div class="ttdeci">virtual void Backward_gpu(const vector&lt; Blob&lt; Dtype &gt; *&gt; &amp;top, const vector&lt; bool &gt; &amp;propagate_down, const vector&lt; Blob&lt; Dtype &gt; *&gt; &amp;bottom)</div><div class="ttdoc">Using the GPU device, compute the gradients for any parameters and for the bottom blobs if propagate_...</div></div>
<div class="ttc" id="classcaffe_1_1Im2colLayer_html"><div class="ttname"><a href="classcaffe_1_1Im2colLayer.html">caffe::Im2colLayer</a></div><div class="ttdoc">A helper for image operations that rearranges image regions into column vectors. Used by ConvolutionL...</div><div class="ttdef"><b>Definition:</b> im2col_layer.hpp:20</div></div>
<div class="ttc" id="classcaffe_1_1Layer_html"><div class="ttname"><a href="classcaffe_1_1Layer.html">caffe::Layer</a></div><div class="ttdoc">An interface for the units of computation which can be composed into a Net. </div><div class="ttdef"><b>Definition:</b> layer.hpp:33</div></div>
<div class="ttc" id="namespacecaffe_html"><div class="ttname"><a href="namespacecaffe.html">caffe</a></div><div class="ttdoc">A layer factory that allows one to register layers. During runtime, registered layers can be called b...</div><div class="ttdef"><b>Definition:</b> blob.hpp:14</div></div>
<div class="ttc" id="classcaffe_1_1Im2colLayer_html_a795d646cb42a7c35e31f0ad2f9afd0f8"><div class="ttname"><a href="classcaffe_1_1Im2colLayer.html#a795d646cb42a7c35e31f0ad2f9afd0f8">caffe::Im2colLayer::Forward_gpu</a></div><div class="ttdeci">virtual void Forward_gpu(const vector&lt; Blob&lt; Dtype &gt; *&gt; &amp;bottom, const vector&lt; Blob&lt; Dtype &gt; *&gt; &amp;top)</div><div class="ttdoc">Using the GPU device, compute the layer output. Fall back to Forward_cpu() if unavailable. </div></div>
<div class="ttc" id="classcaffe_1_1Im2colLayer_html_a35772d667af49afe707c7b1db881c573"><div class="ttname"><a href="classcaffe_1_1Im2colLayer.html#a35772d667af49afe707c7b1db881c573">caffe::Im2colLayer::ExactNumBottomBlobs</a></div><div class="ttdeci">virtual int ExactNumBottomBlobs() const</div><div class="ttdoc">Returns the exact number of bottom blobs required by the layer, or -1 if no exact number is required...</div><div class="ttdef"><b>Definition:</b> im2col_layer.hpp:30</div></div>
<div class="ttc" id="classcaffe_1_1Im2colLayer_html_af011dfac92219df578dea8a30a76bb01"><div class="ttname"><a href="classcaffe_1_1Im2colLayer.html#af011dfac92219df578dea8a30a76bb01">caffe::Im2colLayer::Forward_cpu</a></div><div class="ttdeci">virtual void Forward_cpu(const vector&lt; Blob&lt; Dtype &gt; *&gt; &amp;bottom, const vector&lt; Blob&lt; Dtype &gt; *&gt; &amp;top)</div><div class="ttdoc">Using the CPU device, compute the layer output. </div><div class="ttdef"><b>Definition:</b> im2col_layer.cpp:131</div></div>
<div class="ttc" id="classcaffe_1_1Im2colLayer_html_a55c335fac2a25ba438a8bf94497c53ec"><div class="ttname"><a href="classcaffe_1_1Im2colLayer.html#a55c335fac2a25ba438a8bf94497c53ec">caffe::Im2colLayer::pad_</a></div><div class="ttdeci">Blob&lt; int &gt; pad_</div><div class="ttdoc">The spatial dimensions of the padding. </div><div class="ttdef"><b>Definition:</b> im2col_layer.hpp:48</div></div>
<div class="ttc" id="classcaffe_1_1Im2colLayer_html_ab2cf1f7dd41b801ed32471ec492d423c"><div class="ttname"><a href="classcaffe_1_1Im2colLayer.html#ab2cf1f7dd41b801ed32471ec492d423c">caffe::Im2colLayer::ExactNumTopBlobs</a></div><div class="ttdeci">virtual int ExactNumTopBlobs() const</div><div class="ttdoc">Returns the exact number of top blobs required by the layer, or -1 if no exact number is required...</div><div class="ttdef"><b>Definition:</b> im2col_layer.hpp:31</div></div>
<div class="ttc" id="classcaffe_1_1Im2colLayer_html_ac4d6f34378681fa197546468b5aa6fd6"><div class="ttname"><a href="classcaffe_1_1Im2colLayer.html#ac4d6f34378681fa197546468b5aa6fd6">caffe::Im2colLayer::LayerSetUp</a></div><div class="ttdeci">virtual void LayerSetUp(const vector&lt; Blob&lt; Dtype &gt; *&gt; &amp;bottom, const vector&lt; Blob&lt; Dtype &gt; *&gt; &amp;top)</div><div class="ttdoc">Does layer-specific setup: your layer should implement this function as well as Reshape. </div><div class="ttdef"><b>Definition:</b> im2col_layer.cpp:9</div></div>
<div class="ttc" id="classcaffe_1_1Im2colLayer_html_a9c88593258502ae30aeec7be76225b61"><div class="ttname"><a href="classcaffe_1_1Im2colLayer.html#a9c88593258502ae30aeec7be76225b61">caffe::Im2colLayer::Backward_cpu</a></div><div class="ttdeci">virtual void Backward_cpu(const vector&lt; Blob&lt; Dtype &gt; *&gt; &amp;top, const vector&lt; bool &gt; &amp;propagate_down, const vector&lt; Blob&lt; Dtype &gt; *&gt; &amp;bottom)</div><div class="ttdoc">Using the CPU device, compute the gradients for any parameters and for the bottom blobs if propagate_...</div><div class="ttdef"><b>Definition:</b> im2col_layer.cpp:162</div></div>
<div class="ttc" id="classcaffe_1_1Im2colLayer_html_a188e9ea1225c7f373f4d50e2a78dcec7"><div class="ttname"><a href="classcaffe_1_1Im2colLayer.html#a188e9ea1225c7f373f4d50e2a78dcec7">caffe::Im2colLayer::kernel_shape_</a></div><div class="ttdeci">Blob&lt; int &gt; kernel_shape_</div><div class="ttdoc">The spatial dimensions of a filter kernel. </div><div class="ttdef"><b>Definition:</b> im2col_layer.hpp:44</div></div>
<div class="ttc" id="classcaffe_1_1Im2colLayer_html_a8f3b31bc7134edbc8e3286b2c65e294e"><div class="ttname"><a href="classcaffe_1_1Im2colLayer.html#a8f3b31bc7134edbc8e3286b2c65e294e">caffe::Im2colLayer::type</a></div><div class="ttdeci">virtual const char * type() const</div><div class="ttdoc">Returns the layer type. </div><div class="ttdef"><b>Definition:</b> im2col_layer.hpp:29</div></div>
<div class="ttc" id="classcaffe_1_1Im2colLayer_html_a3420f6068a4befb3b0ed1ffe5ff0e84c"><div class="ttname"><a href="classcaffe_1_1Im2colLayer.html#a3420f6068a4befb3b0ed1ffe5ff0e84c">caffe::Im2colLayer::dilation_</a></div><div class="ttdeci">Blob&lt; int &gt; dilation_</div><div class="ttdoc">The spatial dimensions of the dilation. </div><div class="ttdef"><b>Definition:</b> im2col_layer.hpp:50</div></div>
<div class="ttc" id="classcaffe_1_1Im2colLayer_html_afb9baa8216b65a8124d4d1d2b719da0f"><div class="ttname"><a href="classcaffe_1_1Im2colLayer.html#afb9baa8216b65a8124d4d1d2b719da0f">caffe::Im2colLayer::stride_</a></div><div class="ttdeci">Blob&lt; int &gt; stride_</div><div class="ttdoc">The spatial dimensions of the stride. </div><div class="ttdef"><b>Definition:</b> im2col_layer.hpp:46</div></div>
<div class="ttc" id="classcaffe_1_1Im2colLayer_html_a119c9e1965e219be1ccb719821d4542f"><div class="ttname"><a href="classcaffe_1_1Im2colLayer.html#a119c9e1965e219be1ccb719821d4542f">caffe::Im2colLayer::Reshape</a></div><div class="ttdeci">virtual void Reshape(const vector&lt; Blob&lt; Dtype &gt; *&gt; &amp;bottom, const vector&lt; Blob&lt; Dtype &gt; *&gt; &amp;top)</div><div class="ttdoc">Adjust the shapes of top blobs and internal buffers to accommodate the shapes of the bottom blobs...</div><div class="ttdef"><b>Definition:</b> im2col_layer.cpp:107</div></div>
<div class="ttc" id="classcaffe_1_1Blob_html"><div class="ttname"><a href="classcaffe_1_1Blob.html">caffe::Blob</a></div><div class="ttdoc">A wrapper around SyncedMemory holders serving as the basic computational unit through which Layers...</div><div class="ttdef"><b>Definition:</b> blob.hpp:24</div></div>
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